i am currently building a 350cid.. and hope to have at least 375hp... and i also intend on sqeezing a 250 shot of laughing gas.. any way.. will 24lb inj suffice.. or am i better off with 30lb <~~ does bosch even make them?

thanks
Pro91Z

 

24lb-hr will be fine w/o n2o. Do you have a wet or dry system? That will be the deciding factor. There are other injector manufacturers besides Bosch. I know MSD and makes them. I can not for the life of me remember any other manufacturers, they do exist though.

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82 z28 350cid, vortec heads, comp 262h cam, Holley 600cfm carb, 2in twice pipes, MSD ignition, turbo 350 trans, 3.73 posi, manly b&m megashifter

 

Accel, Motec, Ford Motorsport, ADS, and a few others. 24 lb. hr. should suffice with that combo, but you may want to look at the Ford injectors as they're rated at a lower pressure than the others. Just for comparisons sake, a 24 lb. Ford injector may be comparable to another manufacturers 26 lb. injector. I shouldn't have to reccomend an AFPR, as I'm sure you know that one is necessary. Good luck w/ the project.

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-Jason M. 1991 Camaro Z28
"Its Blue."

 

24 will take you *just* to the short side of 400HP tuned just right and maxed out. I'd be more inclined to run the 30s.
Lucas, Bosch, Autolite, Rochchester, (use ford or AC as you like), hitachi, Nippondeso, manufacture about 90% of all the injectors, and different vendors repackage them as their own. Or manufactured to look a certain way.